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16 |
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17 | var extendStatics = function(d, b) {
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18 | extendStatics = Object.setPrototypeOf ||
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19 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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20 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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21 | return extendStatics(d, b);
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22 | };
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23 |
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24 | function __extends(d, b) {
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25 | extendStatics(d, b);
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26 | function __() { this.constructor = d; }
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27 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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28 | }
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29 |
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30 | var typeChecker = function (type) {
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31 | var typeString = "[object " + type + "]";
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32 | return function (value) {
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33 | return getClassName(value) === typeString;
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34 | };
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35 | };
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36 | var getClassName = function (value) { return Object.prototype.toString.call(value); };
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37 | var comparable = function (value) {
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38 | if (value instanceof Date) {
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39 | return value.getTime();
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40 | }
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41 | else if (isArray(value)) {
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42 | return value.map(comparable);
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43 | }
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44 | else if (value && typeof value.toJSON === "function") {
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45 | return value.toJSON();
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46 | }
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47 | return value;
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48 | };
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49 | var isArray = typeChecker("Array");
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50 | var isObject = typeChecker("Object");
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51 | var isFunction = typeChecker("Function");
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52 | var isVanillaObject = function (value) {
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53 | return (value &&
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54 | (value.constructor === Object ||
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55 | value.constructor === Array ||
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56 | value.constructor.toString() === "function Object() { [native code] }" ||
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57 | value.constructor.toString() === "function Array() { [native code] }") &&
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58 | !value.toJSON);
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59 | };
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60 | var equals = function (a, b) {
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61 | if (a == null && a == b) {
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62 | return true;
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63 | }
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64 | if (a === b) {
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65 | return true;
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66 | }
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67 | if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
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68 | return false;
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69 | }
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70 | if (isArray(a)) {
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71 | if (a.length !== b.length) {
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72 | return false;
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73 | }
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74 | for (var i = 0, length_1 = a.length; i < length_1; i++) {
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75 | if (!equals(a[i], b[i]))
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76 | return false;
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77 | }
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78 | return true;
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79 | }
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80 | else if (isObject(a)) {
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81 | if (Object.keys(a).length !== Object.keys(b).length) {
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82 | return false;
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83 | }
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84 | for (var key in a) {
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85 | if (!equals(a[key], b[key]))
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86 | return false;
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87 | }
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88 | return true;
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89 | }
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90 | return false;
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91 | };
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92 |
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93 |
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94 |
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95 |
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96 |
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97 | var walkKeyPathValues = function (item, keyPath, next, depth, key, owner) {
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98 | var currentKey = keyPath[depth];
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99 |
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100 |
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101 | if (isArray(item) && isNaN(Number(currentKey))) {
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102 | for (var i = 0, length_1 = item.length; i < length_1; i++) {
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103 |
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104 |
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105 | if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
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106 | return false;
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107 | }
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108 | }
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109 | }
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110 | if (depth === keyPath.length || item == null) {
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111 | return next(item, key, owner);
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112 | }
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113 | return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
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114 | };
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115 | var BaseOperation = (function () {
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116 | function BaseOperation(params, owneryQuery, options) {
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117 | this.params = params;
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118 | this.owneryQuery = owneryQuery;
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119 | this.options = options;
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120 | this.init();
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121 | }
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122 | BaseOperation.prototype.init = function () { };
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123 | BaseOperation.prototype.reset = function () {
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124 | this.done = false;
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125 | this.success = false;
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126 | };
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127 | return BaseOperation;
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128 | }());
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129 | var GroupOperation = (function (_super) {
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130 | __extends(GroupOperation, _super);
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131 | function GroupOperation(params, owneryQuery, options, _children) {
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132 | var _this = _super.call(this, params, owneryQuery, options) || this;
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133 | _this._children = _children;
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134 | return _this;
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135 | }
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136 | |
137 |
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138 | GroupOperation.prototype.reset = function () {
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139 | this.success = false;
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140 | this.done = false;
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141 | for (var i = 0, length_2 = this._children.length; i < length_2; i++) {
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142 | this._children[i].reset();
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143 | }
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144 | };
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145 | |
146 |
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147 | GroupOperation.prototype.childrenNext = function (item, key, owner) {
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148 | var done = true;
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149 | var success = true;
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150 | for (var i = 0, length_3 = this._children.length; i < length_3; i++) {
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151 | var childOperation = this._children[i];
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152 | childOperation.next(item, key, owner);
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153 | if (!childOperation.success) {
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154 | success = false;
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155 | }
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156 | if (childOperation.done) {
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157 | if (!childOperation.success) {
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158 | break;
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159 | }
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160 | }
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161 | else {
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162 | done = false;
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163 | }
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164 | }
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165 |
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166 | this.done = done;
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167 | this.success = success;
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168 | };
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169 | return GroupOperation;
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170 | }(BaseOperation));
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171 | var QueryOperation = (function (_super) {
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172 | __extends(QueryOperation, _super);
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173 | function QueryOperation() {
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174 | return _super !== null && _super.apply(this, arguments) || this;
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175 | }
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176 | |
177 |
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178 | QueryOperation.prototype.next = function (item, key, parent) {
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179 | this.childrenNext(item, key, parent);
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180 | };
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181 | return QueryOperation;
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182 | }(GroupOperation));
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183 | var NestedOperation = (function (_super) {
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184 | __extends(NestedOperation, _super);
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185 | function NestedOperation(keyPath, params, owneryQuery, options, children) {
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186 | var _this = _super.call(this, params, owneryQuery, options, children) || this;
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187 | _this.keyPath = keyPath;
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188 | |
189 |
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190 | _this._nextNestedValue = function (value, key, owner) {
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191 | _this.childrenNext(value, key, owner);
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192 | return !_this.done;
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193 | };
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194 | return _this;
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195 | }
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196 | |
197 |
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198 | NestedOperation.prototype.next = function (item, key, parent) {
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199 | walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
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200 | };
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201 | return NestedOperation;
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202 | }(GroupOperation));
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203 | var createTester = function (a, compare) {
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204 | if (a instanceof Function) {
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205 | return a;
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206 | }
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207 | if (a instanceof RegExp) {
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208 | return function (b) {
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209 | var result = typeof b === "string" && a.test(b);
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210 | a.lastIndex = 0;
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211 | return result;
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212 | };
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213 | }
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214 | var comparableA = comparable(a);
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215 | return function (b) { return compare(comparableA, comparable(b)); };
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216 | };
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217 | var EqualsOperation = (function (_super) {
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218 | __extends(EqualsOperation, _super);
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219 | function EqualsOperation() {
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220 | return _super !== null && _super.apply(this, arguments) || this;
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221 | }
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222 | EqualsOperation.prototype.init = function () {
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223 | this._test = createTester(this.params, this.options.compare);
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224 | };
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225 | EqualsOperation.prototype.next = function (item, key, parent) {
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226 | if (this._test(item, key, parent)) {
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227 | this.done = true;
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228 | this.success = true;
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229 | }
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230 | };
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231 | return EqualsOperation;
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232 | }(BaseOperation));
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233 | var createEqualsOperation = function (params, owneryQuery, options) { return new EqualsOperation(params, owneryQuery, options); };
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234 | var NopeOperation = (function (_super) {
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235 | __extends(NopeOperation, _super);
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236 | function NopeOperation() {
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237 | return _super !== null && _super.apply(this, arguments) || this;
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238 | }
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239 | NopeOperation.prototype.next = function () {
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240 | this.done = true;
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241 | this.success = false;
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242 | };
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243 | return NopeOperation;
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244 | }(BaseOperation));
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245 | var numericalOperationCreator = function (createNumericalOperation) { return function (params, owneryQuery, options) {
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246 | if (params == null) {
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247 | return new NopeOperation(params, owneryQuery, options);
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248 | }
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249 | return createNumericalOperation(params, owneryQuery, options);
|
250 | }; };
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251 | var numericalOperation = function (createTester) {
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252 | return numericalOperationCreator(function (params, owneryQuery, options) {
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253 | var typeofParams = typeof comparable(params);
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254 | var test = createTester(params);
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255 | return new EqualsOperation(function (b) {
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256 | return typeof comparable(b) === typeofParams && test(b);
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257 | }, owneryQuery, options);
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258 | });
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259 | };
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260 | var createOperation = function (name, params, parentQuery, options) {
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261 | var operationCreator = options.operations[name];
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262 | if (!operationCreator) {
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263 | throw new Error("Unsupported operation: " + name);
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264 | }
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265 | return operationCreator(params, parentQuery, options);
|
266 | };
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267 | var containsOperation = function (query) {
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268 | for (var key in query) {
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269 | if (key.charAt(0) === "$")
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270 | return true;
|
271 | }
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272 | return false;
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273 | };
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274 | var createNestedOperation = function (keyPath, nestedQuery, owneryQuery, options) {
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275 | if (containsOperation(nestedQuery)) {
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276 | var _a = createQueryOperations(nestedQuery, options), selfOperations = _a[0], nestedOperations = _a[1];
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277 | if (nestedOperations.length) {
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278 | throw new Error("Property queries must contain only operations, or exact objects.");
|
279 | }
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280 | return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
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281 | }
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282 | return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
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283 | new EqualsOperation(nestedQuery, owneryQuery, options)
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284 | ]);
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285 | };
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286 | var createQueryOperation = function (query, owneryQuery, options) {
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287 | var _a = createQueryOperations(query, options), selfOperations = _a[0], nestedOperations = _a[1];
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288 | var ops = [];
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289 | if (selfOperations.length) {
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290 | ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
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291 | }
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292 | ops.push.apply(ops, nestedOperations);
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293 | if (ops.length === 1) {
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294 | return ops[0];
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295 | }
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296 | return new QueryOperation(query, owneryQuery, options, ops);
|
297 | };
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298 | var createQueryOperations = function (query, options) {
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299 | var selfOperations = [];
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300 | var nestedOperations = [];
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301 | if (!isVanillaObject(query)) {
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302 | selfOperations.push(new EqualsOperation(query, query, options));
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303 | return [selfOperations, nestedOperations];
|
304 | }
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305 | for (var key in query) {
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306 | if (key.charAt(0) === "$") {
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307 | var op = createOperation(key, query[key], query, options);
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308 |
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309 | if (op != null) {
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310 | selfOperations.push(op);
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311 | }
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312 | }
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313 | else {
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314 | nestedOperations.push(createNestedOperation(key.split("."), query[key], query, options));
|
315 | }
|
316 | }
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317 | return [selfOperations, nestedOperations];
|
318 | };
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319 | var createQueryTester = function (query, _a) {
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320 | var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
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321 | var operation = createQueryOperation(query, null, {
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322 | compare: compare || equals,
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323 | operations: Object.assign({}, operations || {})
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324 | });
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325 | return function (item, key, owner) {
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326 | operation.reset();
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327 | operation.next(item, key, owner);
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328 | return operation.success;
|
329 | };
|
330 | };
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331 |
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332 | var $Ne = (function (_super) {
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333 | __extends($Ne, _super);
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334 | function $Ne() {
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335 | return _super !== null && _super.apply(this, arguments) || this;
|
336 | }
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337 | $Ne.prototype.init = function () {
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338 | this._test = createTester(this.params, this.options.compare);
|
339 | };
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340 | $Ne.prototype.reset = function () {
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341 | _super.prototype.reset.call(this);
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342 | this.success = true;
|
343 | };
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344 | $Ne.prototype.next = function (item) {
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345 | if (this._test(item)) {
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346 | this.done = true;
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347 | this.success = false;
|
348 | }
|
349 | };
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350 | return $Ne;
|
351 | }(BaseOperation));
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352 |
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353 | var $ElemMatch = (function (_super) {
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354 | __extends($ElemMatch, _super);
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355 | function $ElemMatch() {
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356 | return _super !== null && _super.apply(this, arguments) || this;
|
357 | }
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358 | $ElemMatch.prototype.init = function () {
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359 | this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
|
360 | };
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361 | $ElemMatch.prototype.reset = function () {
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362 | this._queryOperation.reset();
|
363 | };
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364 | $ElemMatch.prototype.next = function (item, key, owner) {
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365 | this._queryOperation.reset();
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366 | if (isArray(owner)) {
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367 | this._queryOperation.next(item, key, owner);
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368 | this.done = this._queryOperation.done || key === owner.length - 1;
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369 | this.success = this._queryOperation.success;
|
370 | }
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371 | else {
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372 | this.done = true;
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373 | this.success = false;
|
374 | }
|
375 | };
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376 | return $ElemMatch;
|
377 | }(BaseOperation));
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378 | var $Not = (function (_super) {
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379 | __extends($Not, _super);
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380 | function $Not() {
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381 | return _super !== null && _super.apply(this, arguments) || this;
|
382 | }
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383 | $Not.prototype.init = function () {
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384 | this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
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385 | };
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386 | $Not.prototype.reset = function () {
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387 | this._queryOperation.reset();
|
388 | };
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389 | $Not.prototype.next = function (item, key, owner) {
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390 | this._queryOperation.next(item, key, owner);
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391 | this.done = this._queryOperation.done;
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392 | this.success = !this._queryOperation.success;
|
393 | };
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394 | return $Not;
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395 | }(BaseOperation));
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396 | var $Or = (function (_super) {
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397 | __extends($Or, _super);
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398 | function $Or() {
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399 | return _super !== null && _super.apply(this, arguments) || this;
|
400 | }
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401 | $Or.prototype.init = function () {
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402 | var _this = this;
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403 | this._ops = this.params.map(function (op) {
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404 | return createQueryOperation(op, null, _this.options);
|
405 | });
|
406 | };
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407 | $Or.prototype.reset = function () {
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408 | this.done = false;
|
409 | this.success = false;
|
410 | for (var i = 0, length_1 = this._ops.length; i < length_1; i++) {
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411 | this._ops[i].reset();
|
412 | }
|
413 | };
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414 | $Or.prototype.next = function (item, key, owner) {
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415 | var done = false;
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416 | var success = false;
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417 | for (var i = 0, length_2 = this._ops.length; i < length_2; i++) {
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418 | var op = this._ops[i];
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419 | op.next(item, key, owner);
|
420 | if (op.success) {
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421 | done = true;
|
422 | success = op.success;
|
423 | break;
|
424 | }
|
425 | }
|
426 | this.success = success;
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427 | this.done = done;
|
428 | };
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429 | return $Or;
|
430 | }(BaseOperation));
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431 | var $Nor = (function (_super) {
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432 | __extends($Nor, _super);
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433 | function $Nor() {
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434 | return _super !== null && _super.apply(this, arguments) || this;
|
435 | }
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436 | $Nor.prototype.next = function (item, key, owner) {
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437 | _super.prototype.next.call(this, item, key, owner);
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438 | this.success = !this.success;
|
439 | };
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440 | return $Nor;
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441 | }($Or));
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442 | var $In = (function (_super) {
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443 | __extends($In, _super);
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444 | function $In() {
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445 | return _super !== null && _super.apply(this, arguments) || this;
|
446 | }
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447 | $In.prototype.init = function () {
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448 | var _this = this;
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449 | this._testers = this.params.map(function (value) {
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450 | if (containsOperation(value)) {
|
451 | throw new Error("cannot nest $ under " + _this.constructor.name.toLowerCase());
|
452 | }
|
453 | return createTester(value, _this.options.compare);
|
454 | });
|
455 | };
|
456 | $In.prototype.next = function (item, key, owner) {
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457 | var done = false;
|
458 | var success = false;
|
459 | for (var i = 0, length_3 = this._testers.length; i < length_3; i++) {
|
460 | var test = this._testers[i];
|
461 | if (test(item)) {
|
462 | done = true;
|
463 | success = true;
|
464 | break;
|
465 | }
|
466 | }
|
467 | this.success = success;
|
468 | this.done = done;
|
469 | };
|
470 | return $In;
|
471 | }(BaseOperation));
|
472 | var $Nin = (function (_super) {
|
473 | __extends($Nin, _super);
|
474 | function $Nin() {
|
475 | return _super !== null && _super.apply(this, arguments) || this;
|
476 | }
|
477 | $Nin.prototype.next = function (item, key, owner) {
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478 | _super.prototype.next.call(this, item, key, owner);
|
479 | this.success = !this.success;
|
480 | };
|
481 | return $Nin;
|
482 | }($In));
|
483 | var $Exists = (function (_super) {
|
484 | __extends($Exists, _super);
|
485 | function $Exists() {
|
486 | return _super !== null && _super.apply(this, arguments) || this;
|
487 | }
|
488 | $Exists.prototype.next = function (item, key, owner) {
|
489 | if (owner.hasOwnProperty(key) === this.params) {
|
490 | this.done = true;
|
491 | this.success = true;
|
492 | }
|
493 | };
|
494 | return $Exists;
|
495 | }(BaseOperation));
|
496 | var $And = (function (_super) {
|
497 | __extends($And, _super);
|
498 | function $And(params, owneryQuery, options) {
|
499 | return _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); })) || this;
|
500 | }
|
501 | $And.prototype.next = function (item, key, owner) {
|
502 | this.childrenNext(item, key, owner);
|
503 | };
|
504 | return $And;
|
505 | }(GroupOperation));
|
506 | var $eq = function (params, owneryQuery, options) {
|
507 | return new EqualsOperation(params, owneryQuery, options);
|
508 | };
|
509 | var $ne = function (params, owneryQuery, options) {
|
510 | return new $Ne(params, owneryQuery, options);
|
511 | };
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512 | var $or = function (params, owneryQuery, options) { return new $Or(params, owneryQuery, options); };
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513 | var $nor = function (params, owneryQuery, options) { return new $Nor(params, owneryQuery, options); };
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514 | var $elemMatch = function (params, owneryQuery, options) { return new $ElemMatch(params, owneryQuery, options); };
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515 | var $nin = function (params, owneryQuery, options) {
|
516 | return new $Nin(params, owneryQuery, options);
|
517 | };
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518 | var $in = function (params, owneryQuery, options) {
|
519 | return new $In(params, owneryQuery, options);
|
520 | };
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521 | var $lt = numericalOperation(function (params) { return function (b) { return b < params; }; });
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522 | var $lte = numericalOperation(function (params) { return function (b) { return b <= params; }; });
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523 | var $gt = numericalOperation(function (params) { return function (b) { return b > params; }; });
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524 | var $gte = numericalOperation(function (params) { return function (b) { return b >= params; }; });
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525 | var $mod = function (_a, owneryQuery, options) {
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526 | var mod = _a[0], equalsValue = _a[1];
|
527 | return new EqualsOperation(function (b) { return comparable(b) % mod === equalsValue; }, owneryQuery, options);
|
528 | };
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529 | var $exists = function (params, owneryQuery, options) { return new $Exists(params, owneryQuery, options); };
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530 | var $regex = function (pattern, owneryQuery, options) {
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531 | return new EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
|
532 | };
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533 | var $not = function (params, owneryQuery, options) {
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534 | return new $Not(params, owneryQuery, options);
|
535 | };
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536 | var $type = function (clazz, owneryQuery, options) {
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537 | return new EqualsOperation(function (b) { return (b != null ? b instanceof clazz || b.constructor === clazz : false); }, owneryQuery, options);
|
538 | };
|
539 | var $and = function (params, ownerQuery, options) { return new $And(params, ownerQuery, options); };
|
540 | var $all = $and;
|
541 | var $size = function (params, ownerQuery, options) { return new EqualsOperation(function (b) { return b && b.length === params; }, ownerQuery, options); };
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542 | var $options = function () { return null; };
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543 | var $where = function (params, ownerQuery, options) {
|
544 | var test;
|
545 | if (isFunction(params)) {
|
546 | test = params;
|
547 | }
|
548 | else if (!process.env.CSP_ENABLED) {
|
549 | test = new Function("obj", "return " + params);
|
550 | }
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551 | else {
|
552 | throw new Error("In CSP mode, sift does not support strings in \"$where\" condition");
|
553 | }
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554 | return new EqualsOperation(function (b) { return test.bind(b)(b); }, ownerQuery, options);
|
555 | };
|
556 |
|
557 | var defaultOperations = Object.freeze({
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558 | __proto__: null,
|
559 | $eq: $eq,
|
560 | $ne: $ne,
|
561 | $or: $or,
|
562 | $nor: $nor,
|
563 | $elemMatch: $elemMatch,
|
564 | $nin: $nin,
|
565 | $in: $in,
|
566 | $lt: $lt,
|
567 | $lte: $lte,
|
568 | $gt: $gt,
|
569 | $gte: $gte,
|
570 | $mod: $mod,
|
571 | $exists: $exists,
|
572 | $regex: $regex,
|
573 | $not: $not,
|
574 | $type: $type,
|
575 | $and: $and,
|
576 | $all: $all,
|
577 | $size: $size,
|
578 | $options: $options,
|
579 | $where: $where
|
580 | });
|
581 |
|
582 | var createDefaultQueryTester = function (query, _a) {
|
583 | var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
|
584 | return createQueryTester(query, {
|
585 | compare: compare,
|
586 | operations: Object.assign({}, defaultOperations, operations)
|
587 | });
|
588 | };
|
589 |
|
590 | export default createDefaultQueryTester;
|
591 | export { $all, $and, $elemMatch, $eq, $exists, $gt, $gte, $in, $lt, $lte, $mod, $ne, $nin, $nor, $not, $options, $or, $regex, $size, $type, $where, EqualsOperation, createEqualsOperation, createQueryTester };
|
592 |
|